Description
The YX28076A is a 2.76-inch high-resolution round TFT LCD display module featuring a 480×480 RGB resolution and a 3SPI + 18-bit RGB interface, designed for smart home products, industrial control systems, medical equipment, wearable devices, and embedded HMI applications.
Powered by the ST7701S driver IC and utilizing IPS TFT technology, the module provides an All-O'Clock viewing angle, delivering vivid colors, sharp image quality, and consistent display performance from every direction. Its 3SPI + RGB interface combines simple initialization with high-speed RGB data transmission, making it compatible with a wide variety of MCUs, ARM processors, Linux platforms, and other embedded systems.
With a compact outline dimension of 73.03 × 76.48 × 2.26 mm and an active display area of 70.128 × 70.128 mm, the YX28076A offers excellent integration flexibility while maintaining high optical performance. Its slim profile, circular display design, and industrial-grade reliability make it an ideal display solution for smart control panels, healthcare devices, AI terminals, IoT products, and premium embedded equipment. The module features a 2.76-inch TFT-LCD, 480×480 resolution, ST7701S driver IC, and a 3SPI + 18-bit RGB interface.
Basic Specifications
| Item | Specification |
|---|
| Display Size | 2.76 inch |
| LCD Type | TFT-LCD, Transmissive |
| Resolution | 480 (RGB) × 480 |
| Active Area | 70.128 × 70.128 mm |
| Outline Dimensions | 73.03 × 76.48 × 2.26 mm |
| Pixel Pitch | 0.1461 × 0.1461 mm |
| Viewing Direction | All O'Clock |
| Driver IC | ST7701S |
| Interface | 3SPI + 18-bit RGB |
| Backlight | White LED × 4 |
| Analog Operating Voltage (VCI) | 3.2 V Typ. |
| Logic Operating Voltage (IOVCC) | 1.8 V Typ. |
Mechanical Drawing

Optical Characteristics
| Parameter | Typical |
|---|
| Resolution | 480 × 480 |
| Contrast Ratio | 1200 : 1 |
| Color Gamut | 60% |
| Brightness | 500 cd/m² |
| Luminance Uniformity | 80% |
| Viewing Angle (CR ≥ 10) | 80° / 80° / 80° / 80° |
| Response Time | 30 ms |
Operating Conditions
| Item | Range |
|---|
| Operating Temperature | -20°C ~ +70°C |
| Storage Temperature | -30°C ~ +80°C |
| Humidity | ≤90% RH (60°C) |